/*
 * Copyright 2022-2024 Ponfee (http://www.ponfee.cn/)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.ponfee.disjob.dispatch.configuration;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.concurrent.atomic.AtomicBoolean;

/**
 * Base task dispatching autoConfiguration
 *
 * @author Ponfee
 */
public abstract class BaseTaskDispatchingAutoConfiguration {
    private static final Logger LOG = LoggerFactory.getLogger(BaseTaskDispatchingAutoConfiguration.class);
    private static final AtomicBoolean MUTEX = new AtomicBoolean(false);

    protected BaseTaskDispatchingAutoConfiguration() {
        if (MUTEX.compareAndSet(false, true)) {
            LOG.info("Enabled task dispatching '{}'", getClass());
        } else {
            throw new Error("Enable task dispatching '" + getClass() + "' failed, imported more than one task dispatching.");
        }
    }

}
